The decision in one question

Does the DA42's fuel efficiency and modern glass beat the Seminole's simplicity and lower acquisition cost for your programme?

The table below uses the same versioned PlaneFit dataset as the Finder. Prices and operating costs are planning estimates, not quotations.

Decision factorDiamond DA42-VIView aircraft profilePiper PA-44 SeminoleView aircraft profileTecnam P2006T MkIIView aircraft profile
Typical market year202220242022
Estimated purchase€782k€1.07m€600k
Annual cash cost at 80 h€67k€70k€51k
Five-year cash outlay€1.12m€1.42m€856k
Cruise speed175 kt162 kt135 kt
Advertised range1225 nm940 nm742 nm
Seats444
Realistic payload461 kg346 kg328 kg
Runway need649 m650 m450 m
Data confidenceNormalized for direct comparisonNormalized for direct comparisonNormalized for direct comparison
Main trade-offEfficient twin-engine capability and modern systems, but cabin payload and maintenance complexity remain significant constraints.The training-market standard for multi-engine time, but acquisition cost and two-engine reserves make personal ownership hard to justify.Exceptionally economical for a twin, but payload and single-engine performance are modest.

Where each aircraft wins

A factual first pass. Mission, condition and configuration can outweigh a brochure advantage.

Lower indicative purchase priceDiamond DA42-VI
Lower estimated annual costDiamond DA42-VI
Faster cruiseDiamond DA42-VI
Longer advertised rangeDiamond DA42-VI
More realistic payloadDiamond DA42-VI
Shorter take-off requirementDiamond DA42-VI

Choose Diamond DA42-VI when...

Four-seat Jet A multi-engine trainer and personal transport. Its central ownership trade-off is: Efficient twin-engine capability and modern systems, but cabin payload and maintenance complexity remain significant constraints.

Planning snapshot: €782k indicative price and €67k annual cash cost at 80 hours.

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Choose Piper PA-44 Seminole when...

Four-seat multi-engine trainer. Its central ownership trade-off is: The training-market standard for multi-engine time, but acquisition cost and two-engine reserves make personal ownership hard to justify.

Planning snapshot: €1.07m indicative price and €70k annual cash cost at 80 hours.

Read the full aircraft profile →
Your mission, not a generic winner

Test both aircraft against your airports, passengers and annual budget

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